* Add CopyrightHeader support for sbt-boilerplate plugin.
* Add CopyrightHeader support for `*.proto` files.
* Add regex match for both `–` and `-` for CopyrightHeader.
* Add CopyrightHeader support for sbt build files.
* Update copyright from 2018 to 2019.
Revert all unnecessary style changes
Add api for java
Make exceptionsAsFailure function private
Exclude changed method api for binary compatibility check
- The changes expand the api by overload, thus is backward compatible